Assume that a set of test scores is normally distributed with a mean of 480 and a standard deviation of 20. what percentage of scores lies between 470 and 526?

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.

Multiplying fractions by whole number 5 x 1/3=?

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%